TP-Link TL-MR3220 User Manual page 48

Connect Automatically - Connect automatically after the Router is disconnected. To use
this option, click the radio button.
Connect Manually - You can configure the Router to make it connect or disconnect
manually. After a specified period of inactivity (Max Idle Time), the Router will disconnect
from your Internet connection, and you will not be able to re-establish your connection
automatically as soon as you attempt to access the Internet again. To use this option, click
the radio button. If you want your Internet connection to remain active at all times, enter "0"
in the Max Idle Time field. Otherwise, enter the number in minutes that you wish to have
the Internet connecting last unless a new link is requested.
Caution: Sometimes the connection cannot be disconnected although you specify a time to
Max Idle Time, since some applications is visiting the Internet continually in the
background.
6. If your ISP provides PPTP connection, please select PPTP option. And you should enter
the following parameters (Figure 4-18):
TL-MR3220 3G/3.75G Wireless Lite N Router
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